//
//  UIBarButton+Extension.swift
//  MyWeibo
//
//  Created by cat on 15/8/4.
//  Copyright © 2015年 cat. All rights reserved.
//

import UIKit

extension UIBarButtonItem {
    
    convenience init(imageName: String, target: AnyObject?, action: String?) {
        let button = UIButton()
        
        button.setImage(UIImage(named: imageName), forState: UIControlState.Normal)
        button.setImage(UIImage(named: imageName + "_highlighted"), forState: UIControlState.Highlighted)
        button.sizeToFit()

        if let actionName = action {
            button.addTarget(target, action: Selector(actionName), forControlEvents: UIControlEvents.TouchUpInside)
            
        }
        
        self.init(customView: button)
    }
    
}
